What is the unit lm W⁻¹ equivalent to in terms of SI base units and candela? - PHYSICS AND MEASUREMENT Quiz | GKFix.in

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What is the unit lm W⁻¹ equivalent to in terms of SI base units and candela?

A. cd m⁻²
B. cd sr m⁻²
C. cd sr kg⁻¹ m⁻² s²
D. cd sr kg⁻¹ m⁻² s³

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